Tone library / LINKIN PARK / What I've Done

What I've Done amp settings — Fender Blues Junior IV

The LINKIN PARK guitar tone for “What I've Done”, dialed in for a Fender Blues Junior IV with a Fender John Mayer Stratocaster. Studio version, Minutes to Midnight (2007) - main heavy rhythm riff

Original rig

Fender Rory Gallagher Tribute Stratocaster / PRS Custom 24 into Mesa Boogie Dual Rectifier and Marshall JCM800 heads

Punchy, raw mid-forward modern alternative rock crunch with tight low-end and crisp bite

Amp settings — Fender Blues Junior IV

BOOSTon

Knob	Setting (0–10)
Gain	9
Bass	6
Mid	8
Treble	5
Reverb	2
Master	4

Don’t have a Fender Blues Junior IV? See this song on other amps → Match your own rig →

Guitar

PICKUPbridge TONE8 VOLUME10

Signal chain

01ProCo Rat 2 / High-Gain Distortion

RECOMMENDED — not currently owned; switch FAT boost off and set amp gain to 3 when acquired

Distortion 7 · Filter 5 · Volume 7

Why these settings

The Blues Junior IV is a vintage-voiced tube combo, so push the Volume/Gain to 9 and engage the FAT boost switch to force the preamp into maximum natural crunch. Single coils on the Mayer Strat lack the thickness of a high-gain humbucker/Mesa rig, so mids are pushed to 8 and treble is tempered to 5 to avoid harshness. Muted intro riff: roll guitar volume down to 6 and dig in lightly with the pick.

PRO TIPHit the open D and drop-D power chords with a heavy downstroke right near the bridge saddles to maximize string snap and reproduce the tight, percussive attack of the record.

Get this tone on your amp

These settings are for a Fender Blues Junior IV. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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Song, artist and gear names are used to identify the tone being matched; ToneAdapt is not affiliated with or endorsed by the artists or manufacturers mentioned. Settings are AI-generated starting points — trust your ears.